JP3077507B2 - Foam wallpaper - Google Patents
Foam wallpaperInfo
- Publication number
- JP3077507B2 JP3077507B2 JP06089610A JP8961094A JP3077507B2 JP 3077507 B2 JP3077507 B2 JP 3077507B2 JP 06089610 A JP06089610 A JP 06089610A JP 8961094 A JP8961094 A JP 8961094A JP 3077507 B2 JP3077507 B2 JP 3077507B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- resin
- polyfunctional
- aqueous emulsion
- monomer unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は建装材、特に内装材とし
て使用する発泡壁紙に関するもので、防火壁装材料とし
て準不燃(2級)、不燃(1級)に合格するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foamed wallpaper used as a building material, in particular, as an interior material, and which passes a quasi noncombustible (grade 2) and nonflammable (grade 1) as a fire wall material.
【0002】[0002]
【従来の技術】内装材として使用する壁紙として軟質ポ
リ塩化ビニルが主に用いられているが燃焼時に発生する
塩化水素ガスが安全性や焼却時の焼却炉の耐用年数の低
下を招くなど最近の環境問題として重視されるようにな
ってきた。2. Description of the Related Art Soft polyvinyl chloride is mainly used as wallpaper used as an interior material, but hydrogen chloride gas generated at the time of combustion causes a decrease in safety and the life of an incinerator during incineration. Emphasis has been placed on environmental issues.
【0003】これらの欠点を改良するため、アクリル
系、エチレンビニルアルコール系の水性エマルジョンの
使用が考えられるが、意匠性、施工性において軟質ポリ
塩化ビニルに比べて著しく劣っているため、発泡壁紙と
しては望ましくない。In order to improve these drawbacks, use of an acrylic or ethylene vinyl alcohol-based aqueous emulsion is conceivable. However, the design and workability are remarkably inferior to those of flexible polyvinyl chloride. Is not desirable.
【0004】[0004]
【発明が解決しようとする課題】本発明はこのような問
題点を解決するためになされたものであり、その課題と
するところは、ゴム弾性、ボリューム感及び表面強度を
持たせることにより意匠性、施工性に優れた発泡壁紙を
提供することにある。SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide a rubber having elasticity, voluminousness and surface strength to improve the design. Another object of the present invention is to provide a foamed wallpaper having excellent workability.
【0005】[0005]
【課題を解決するための手段】本発明はこの課題を解決
するため、基材に水性エマルジョン樹脂と発泡剤とその
他添加剤とからなるコーティング層を設けて発泡させ任
意にエンボスや印刷等を施してなる発泡壁紙において、
アルキル基の炭素数が1〜8のアルキルアクリレートよ
りなる群から選ばれた少なくとも一種の単量体単位50
〜99重量%、これと共重合可能なモノエチレン性単量
体単位1〜49重量%、多官能グラフト剤及び/又は多
官能架橋剤単位1〜20重量%からなる樹脂を内層と
し、アルキル基の炭素数が1〜4のアルキルメタクリレ
ートよりなる群から選ばれた少なくとも一種の単量体単
位10〜99重量%、これと共重合可能なモノエチレン
性単量体単位1〜90重量%、多官能グラフト剤及び/
又は多官能架橋剤単位3重量%以下からなる樹脂を外層
とし、内層が50重量%以上、ガラス転移温度が20℃
以下の水性エマルジョンを用いることを特徴とする発泡
壁紙を提供する。In order to solve this problem, the present invention provides a coating layer comprising an aqueous emulsion resin, a foaming agent and other additives on a substrate, foams it, and optionally embosses or prints it. In the foam wallpaper made of
At least one monomer unit 50 selected from the group consisting of alkyl acrylates having 1 to 8 carbon atoms in the alkyl group;
A resin comprising 1 to 49% by weight of a monoethylenic monomer unit copolymerizable therewith and 1 to 20% by weight of a polyfunctional grafting agent and / or a polyfunctional crosslinking agent unit as an inner layer; At least one monomer unit selected from the group consisting of alkyl methacrylates having 1 to 4 carbon atoms in an amount of 10 to 99% by weight, and a monoethylenic monomer unit copolymerizable therewith in an amount of 1 to 90% by weight; Functional grafting agent and / or
Alternatively, a resin comprising 3% by weight or less of a polyfunctional crosslinking agent unit is used as an outer layer , an inner layer is 50% by weight or more, and a glass transition temperature is 20 ° C.
A foamed wallpaper characterized by using the following aqueous emulsion is provided.
【0006】本発明に係る水性エマルジョンの内層はア
ルキルアクリレートを主成分とする軟質樹脂層であり、
アルキルアクリレートとしてはアルキル基の炭素数は1
〜8のもので特に好ましくはn−ブチルアクリレートで
ある。The inner layer of the aqueous emulsion according to the present invention is a soft resin layer containing alkyl acrylate as a main component,
As the alkyl acrylate, the alkyl group has 1 carbon atom.
Of these, n-butyl acrylate is particularly preferred.
【0007】共重合可能なモノエチレン性単量体として
は炭素数1〜4のアルキルメタクリレートが好ましく、
メチルメタクリレートが特に好ましい。As the copolymerizable monoethylenic monomer, an alkyl methacrylate having 1 to 4 carbon atoms is preferable.
Methyl methacrylate is particularly preferred.
【0008】多官能グラフト剤及び/又は多官能架橋剤
としてはアリルメタクリレート、アリルアクリレート、
1,4−ブチレングリコールジメタクリレート、エチレ
ングリコールジアクリレート、1,3−ブチレングリコ
ールジアクリレート、ジビニルベンゼン等が挙げられ、
特に1,3−ブチレングリコールジアクリレートが好ま
しく、1〜20重量%用いられる。As the polyfunctional grafting agent and / or polyfunctional crosslinking agent, allyl methacrylate, allyl acrylate,
1,4-butylene glycol dimethacrylate, ethylene glycol diacrylate, 1,3-butylene glycol diacrylate, divinylbenzene and the like,
In particular, 1,3-butylene glycol diacrylate is preferable, and 1 to 20% by weight is used.
【0009】本発明に係る水性エマルジョンの外層はア
ルキルメタクリレートを主成分とする硬質樹脂層であ
り、アルキルメタクリレートとしてはアルキル炭素数は
1〜4のもので、特に好ましくはメチルメタクリレート
である。The outer layer of the aqueous emulsion according to the present invention is a hard resin layer containing alkyl methacrylate as a main component. The alkyl methacrylate has 1 to 4 carbon atoms, particularly preferably methyl methacrylate.
【0010】共重合可能なモノエチレン性単量体として
は、外観、手触り感、ガラス転移温度等を考慮して選定
すればよく、好ましくは炭素数1〜8のアルキル基を有
するアルキルアクリレートである。The copolymerizable monoethylenic monomer may be selected in consideration of the appearance, touch, glass transition temperature and the like, and is preferably an alkyl acrylate having an alkyl group having 1 to 8 carbon atoms. .
【0011】また多官能グラフト剤及び/又は多官能架
橋剤としては、内層と同様のものが使用可能であり、そ
の量は3重量%以下である。As the polyfunctional grafting agent and / or the polyfunctional crosslinking agent, the same ones as those for the inner layer can be used, and the amount is 3% by weight or less.
【0012】水性エマルジョン全体としては、内層が5
0%以上、ガラス転移温度が20℃以下であることが好
ましい。As for the whole aqueous emulsion, the inner layer has 5
The glass transition temperature is preferably 0% or more and 20 ° C. or less.
【0013】[0013]
【作用】本発明では、内層の主成分であるアルキルアク
リレートによりゴム弾性を持たせ、カプセル発泡剤との
併用でメカニカルエンボス適性、ボリューム感に優れた
物性を表現し、外層の主成分であるアルキルメタクリレ
ートによりガラス転移温度をコントロールし、ベタツキ
感のない、表面強度に優れた物性を示す。これにより従
来の軟質塩化ビニルと同等以上の発泡壁紙を得ることを
可能にした。According to the present invention, alkyl acrylate, which is the main component of the inner layer, imparts rubber elasticity and, when used in combination with a capsule foaming agent, expresses excellent mechanical embossing suitability and excellent physical properties. The glass transition temperature is controlled by methacrylate, and there is no stickiness and physical properties excellent in surface strength. This has made it possible to obtain a foamed wallpaper that is equal to or more than conventional soft vinyl chloride.
【0014】[0014]
【実施例】壁紙の基材として裏打ち紙(特種製紙(株)
製:「TT−120cw」)を用い、これに以下の表1
に示す組成の水性エマルジョンからなる樹脂を、コンマ
コーターにより膜厚80μm、炉内温度90〜130℃
でコーティングし、この上にグラビヤ印刷を施した後1
50〜170℃で発泡及びメカニカルエンボスを行っ
た。Example: Backing paper (special paper manufacturing Co., Ltd.)
Manufactured by "TT-120cw"), and
A resin composed of an aqueous emulsion having the composition shown in (1) above was coated with a comma coater to a thickness of 80 μm and a furnace temperature of 90 to 130 ° C.
After coating with gravure printing on this
Foaming and mechanical embossing were performed at 50 to 170 ° C.
【0015】[0015]
【表1】 [Table 1]
【0016】このようにして得られた発泡壁紙を不燃石
膏ボード基材に設け、表面燃焼試験(JIS−A132
1)を行なった結果、tdθ=0、CA=8となった。The foamed wallpaper thus obtained is provided on a noncombustible gypsum board base material and subjected to a surface burning test (JIS-A132).
As a result of performing 1), tdθ = 0 and CA = 8.
【0017】[0017]
【発明の効果】以上に示したように本発明により、ゴム
弾性、ボリューム感及び表面強度を持たせることにより
意匠性、施工性に優れた発泡壁紙を提供することが可能
となった。As described above, according to the present invention, it is possible to provide a foamed wallpaper excellent in design and workability by giving rubber elasticity, volume feeling and surface strength.
Claims (1)
の他添加剤とからなるコーティング層を設けて発泡させ
任意にエンボスや印刷等を施してなる発泡壁紙におい
て、アルキル基の炭素数が1〜8のアルキルアクリレー
トよりなる群から選ばれた少なくとも一種の単量体単位
50〜99重量%、これと共重合可能なモノエチレン性
単量体単位1〜49重量%、多官能グラフト剤及び/又
は多官能架橋剤単位1〜20重量%からなる樹脂を内層
とし、アルキル基の炭素数が1〜4のアルキルメタクリ
レートよりなる群から選ばれた少なくとも一種の単量体
単位10〜99重量%、これと共重合可能なモノエチレ
ン性単量体単位1〜90重量%、多官能グラフト剤及び
/又は多官能架橋剤単位3重量%以下からなる樹脂を外
層とし、内層が50重量%以上、ガラス転移温度が20
℃以下の水性エマルジョンを用いることを特徴とする発
泡壁紙。1. A foamed wallpaper which is provided with a coating layer comprising an aqueous emulsion resin, a foaming agent and other additives on a base material and is foamed and optionally embossed or printed. At least one monomer unit selected from the group consisting of alkyl acrylates of 8 to 50 to 99% by weight, a monoethylenic monomer unit copolymerizable therewith from 1 to 49% by weight, a polyfunctional grafting agent and / or A resin comprising 1 to 20% by weight of a polyfunctional crosslinking agent unit as an inner layer, and 10 to 99% by weight of at least one monomer unit selected from the group consisting of alkyl methacrylates having 1 to 4 carbon atoms in an alkyl group; copolymerizable monoethylenic monomer units 1-90 wt%, of a polyfunctional grafting agent and / or polyfunctional crosslinking agent units 3 wt% resin consisting of the outer layer and the inner layer 50 The amount% or more, the glass transition temperature of 20
A foamed wallpaper characterized by using an aqueous emulsion having a temperature of not more than ° C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06089610A JP3077507B2 (en) | 1994-04-27 | 1994-04-27 | Foam wallpaper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06089610A JP3077507B2 (en) | 1994-04-27 | 1994-04-27 | Foam wallpaper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07290624A JPH07290624A (en) | 1995-11-07 |
JP3077507B2 true JP3077507B2 (en) | 2000-08-14 |
Family
ID=13975525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP06089610A Expired - Lifetime JP3077507B2 (en) | 1994-04-27 | 1994-04-27 | Foam wallpaper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3077507B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010016618A (en) * | 2000-12-29 | 2001-03-05 | 김죽영 | Manufacturing method of forming wallpaper |
JP6048494B2 (en) * | 2012-03-30 | 2016-12-21 | 凸版印刷株式会社 | Resin composition for foam and foam, and wallpaper |
-
1994
- 1994-04-27 JP JP06089610A patent/JP3077507B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07290624A (en) | 1995-11-07 |
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